2499426 has 24 divisors (see below), whose sum is σ = 5451264. Its totient is φ = 827640.

The previous prime is 2499421. The next prime is 2499439. The reversal of 2499426 is 6249942.

It is a d-powerful number, because it can be written as 2⁷ + 4² + 9⁵ + 9⁵ + 4⁶ + 2²¹ + 6⁷ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2499421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3075 + ... + 3801.

It is an arithmetic number, because the mean of its divisors is an integer number (227136).

2^2499426 is an apocalyptic number.

2499426 is an abundant number, since it is smaller than the sum of its proper divisors (2951838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2499426 is a wasteful number, since it uses less digits than its factorization.

2499426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 923 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 2499426 is about 1580.9573049264. The cubic root of 2499426 is about 135.7104928633.

The spelling of 2499426 in words is "two million, four hundred ninety-nine thousand, four hundred twenty-six".